[Phpmyadmin-devel] Possible error with ZeroConf and dropping tables

Madhura Jayaratne madhura.cj at gmail.com
Tue Jan 6 08:33:17 CET 2015

On Mon, Jan 5, 2015 at 8:32 PM, Isaac Bennetch <bennetch at gmail.com> wrote:

> I think I've found an edge case error message when using the ZeroConf
> feature and removing the phpMyAdmin configuration storage tables.
> I used the Operations tab of a database with the ZeroConf feature to
> create the tables. Then, after some time, I decided to drop the tables
> or entire database. I then get an error about the missing tracking table:
> > SQL query: DocumentationEdit Edit
> >
> > SELECT MAX(version) FROM `t_dr`.`pma__tracking` WHERE `db_name` =
> > 't_dr'  AND `table_name` = 'pma__bookmark, pma__central_columns,
> > pma__column_info, pma__favorite, pma__history, pma__navigationhiding,
> > pma__pdf_pages, pma__recent, pma__relation, pma__savedsearches,
> > pma__table_coords, pma__table_info, pma__table_uiprefs,
> > pma__tracking, pma__userconfig, pma__usergroups, pma__users'  AND
> > FIND_IN_SET('DROP TABLE',tracking) > 0
> >
> > MySQL said: Documentation #1146 - Table 't_dr.pma__tracking' doesn't
> > exist
> This is sort of an edge case but I could see a time when a user wishes
> to remove the configuration storage tables or database and shouldn't get
> this error. I've thought of two possible solutions but I'm not sure I
> like either of them:
> 1) When dropping a database or table, detect if it's part of the
> configuration storage and then disable the advanced features.
> 2) When tracking changes, don't track the configuration
> storage database or tables.
> I prefer 2 but I'm not sure about any ramifications of doing so.
> Any opinions about this?
> Option 1 should be the proper way to handle this. I'm not sure option 2
would work because MySQL would still complain about missing tracking table
when trying to get tracking data for another table.

Thanks and Regards,

Madhura Jayaratne
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